Wikipedia
Dimethylargininase
In the field of enzymology, a dimethylargininase, also known as a dimethylarginine dimethylaminohydrolase (DDAH), is an enzyme that catalyzes the chemical reaction:
N-omega,N-omega'-methyl-L-arginine + HO $\rightleftharpoons$ dimethylamine + L-citrullineThus, the two substrates of this enzyme are N-omega,N-omega'-methyl-L-arginine and HO, whereas its two products are dimethylamine and L-citrulline.